浏览全部资源
扫码关注微信
1.中车长春轨道客车股份有限公司,吉林 长春 130062
2.北京交通大学 机械与电子控制工程学院,北京 100044
3.中国铁道科学研究院集团有限公司 机车车辆研究所,北京;100081
王斌杰(1979—),男,博士,副教授,从事结构强度及可靠性研究;E-mail: bjwang2@bjtu.edu.cn
纸质出版日期:2022-03-10,
收稿日期:2022-01-31,
修回日期:2022-03-02,
扫 描 看 全 文
姜朝勇, 赵鑫源, 魏苇, 等. 基于有效缺口应力的地铁构架疲劳损伤研究[J]. 机车电传动, 2022,(2):135-140.
JIANG Chaoyong, ZHAO Xinyuan, WEI Wei, et al. Research on fatigue damage of metro frame based on effective notch stress[J]. Electric drive for locomotives, 2022,(2):135-140.
姜朝勇, 赵鑫源, 魏苇, 等. 基于有效缺口应力的地铁构架疲劳损伤研究[J]. 机车电传动, 2022,(2):135-140. DOI: 10.13890/j.issn.1000-128X.2022.02.019.
JIANG Chaoyong, ZHAO Xinyuan, WEI Wei, et al. Research on fatigue damage of metro frame based on effective notch stress[J]. Electric drive for locomotives, 2022,(2):135-140. DOI: 10.13890/j.issn.1000-128X.2022.02.019.
地铁构架的疲劳失效在焊接接头的焊趾和焊根处均有可能发生,因此需要一种有效的疲劳评估方法来全面地分析转向架的疲劳可靠性。针对该问题,基于有效缺口应力法建立了某地铁转向架构架整体有限元模型,以及电机吊座翼板与横梁连接部位焊接接头的局部网格细化有限元模型,得到了焊接接头焊趾和焊根处的有效缺口应力分布。根据Miner损伤理论和对应的S-N曲线计算得到有效缺口应力法与名义应力法的累积损伤。结果表明,接头焊根处更易发生疲劳失效。此外,有效缺口应力法比名义应力法更加安全。为进一步研究不同载荷对损伤的影响,通过对比各载荷的累积损伤结果发现:对于有效缺口应力,损伤占比较大的5种载荷分别是扭转载荷、电机横向载荷、电机垂向振动载荷、电机驱动载荷、齿轮箱垂向振动载荷,其中扭转载荷占比最大,达30%~60%。文章验证了有效缺口应力法在地铁车辆构架疲劳评价中的安全性和适用性。
The fatigue failure of metro frame may occur at the weld toe and weld root of the welded joint. Therefore
an effective fatigue evaluation method is needed to analyze the fatigue reliability of the bogie comprehensively. To solve this problem
based on the effective notch stress method
the overall finite element model of one metro frame and the local mesh refinement finite element model of the welded joint between the wing plate of the motor suspension seat and the cross beam were established
and the effective notch stress distribution at the weld toe and weld root of the welded joint was obtained. According to Miner damage theory and the corresponding S-N curve
the cumulative damage of effective notch stress method and nominal stress method were calculated. The results show that fatigue failure is more likely to occur at the root of the joint. In addition
the effective notch stress method is safer than the nominal stress method. For further study the influence of different loads on damage
by comparing the cumulative damage results of each load
it was found that for the effective notch stress
the five loads with large damage are torsional load
motor transverse load
motor vertical vibration load
motor driving load and gearbox vertical vibration load
of which the torsional load accounts for the largest proportion
up to 30%-60%. The safety and applicability of the effective notch stress method in the fatigue evaluation of subway vehicle frame was verified.
地铁构架电机吊座焊接接头有效缺口应力名义应力疲劳损伤地铁车辆
metro framemotor hangerwelded jointseffective notch stressnominal stressfatigue damagemetro vehicles
王社锋, 赵洪伦, 任利惠. 地铁车辆转向架构架疲劳可靠性预测研究[J]. 机车电传动, 2009(1): 49-51.
WANG Shefeng, ZHAO Honglun, REN Lihui. The fatigue reliability prediction and study for the bogie frame of metro vehicles[J]. Electric Drive for Locomotives, 2009(1): 49-51.
茹常乐, 王斌杰, 孙守光, 等. 地铁车辆转向架构架的疲劳寿命及可靠性研究[J]. 铁道车辆, 2019, 57(7): 8-10.
RU Changle, WANG Binjie, SUN Shouguang, et al. Fatigue life and reliability research on bogie frames of metro vehicles[J]. Rolling Stock, 2019, 57(7): 8-10.
赵建明, 顾丽英. 焊接转向架焊接接头疲劳性能的试验[J]. 机车车辆工艺, 2003(6): 15-17.
ZHAO Jianming, GU Liying. Research on seam fatigue performance of welded bogies[J]. Locomotive & Rolling Stock Technology, 2003(6): 15-17.
李晓峰, 谢素明, 时慧焯, 等. 车辆焊接结构疲劳寿命评估方法研究[J]. 中国铁道科学, 2007, 28(3): 74-78.
LI Xiaofeng, XIE Suming, SHI Huizhuo, et al. Study on the analysis method for fatigue life prediction of vehicle welded structure[J]. China Railway Science, 2007, 28(3): 74-78.
ESDERTS A, WILLEN J, KASSNER M. Fatigue strength analysis of welded joints in closed steel sections in rail vehicles[J]. International Journal of Fatigue, 2012, 34(1): 112-121.
周张义, 李芾, 卜继玲. 基于名义应力的焊接结构疲劳强度评定方法研究[J]. 内燃机车, 2007(7): 1-4.
ZHOU Zhangyi, LI Fu, BU Jiling. Study of fatigue strength assessment methods of welded structures based on nominal stress[J]. Diesel Locomotives, 2007(7): 1-4.
SUSMEL L, TOVO R. On the use of nominal stresses to predict the fatigue strength of welded joints under biaxial cyclic loading[J]. Fatigue & Fracture of Engineering Materials & Structures, 2004, 27(11): 1005-1024.
彭凡, 姚云建, 顾勇军. 热点应力法评定焊接接头疲劳强度的影响因素[J]. 焊接学报, 2010, 31(7): 83-86.
PENG Fan, YAO Yunjian, GU Yongjun. Influence factors of fatigue strength assessment for welded joints by hot spot stress approach[J]. Transactions of the China Welding Institution, 2010, 31(7): 83-86.
WANG B J, LI Q, LIU Z M. Study of typical welded joint hot spot stress concentration factor[J]. Advanced Materials Research, 2010, 160/161/162: 1482-1487.
SONSINO C M, FRICKE W, DE BRUYNEC F, et al. Notch stress concepts for the fatigue assessment of welded joints-background and applications[J]. International Journal of Fatigue, 2012, 34(1): 2-16.
ZHAO X Y, XIE S Q, ZHANG Y L, et al. Fatigue reliability analysis of metro bogie frame based on effective notch stress method[J]. Engineering Failure Analysis, 2022, 131: 105811.
周张义, 王雨舟, 杨欣. 基于不同应力法的焊接构架纵向角接头疲劳累积损伤评估[J]. 焊接学报, 2018, 39(8): 18-22.
ZHOU Zhangyi, WANG Yuzhou, YANG Xin. Fatigue cumulative damage assessment of longitudinal fillet welded gusset in welded frame based on different stress approaches[J]. Transactions of the China Welding Institution, 2018, 39(8): 18-22.
WANG Q D, JI B H, FU Z Q, et al. Evaluation of crack propagation and fatigue strength of rib-to-deck welds based on effective notch stress method[J]. Construction and Building Materials, 2019, 201: 51-61.
刘旭, 周春平, 张开林, 等. 基于缺口应力法的转向架焊接接头疲劳性能分析[J]. 铁道学报, 2017, 39(3): 42-48.
LIU Xu, ZHOU Chunping, ZHANG Kailin, et al. Fatigue performance analysis of bogie welded joints based on notch stress method[J]. Journal of the China Railway Society, 2017, 39(3): 42-48.
NEUBER H. Über die Berücksichtigung der spannungskonzentration bei festigkeitsberechnungen[J]. Konstruktion, 1968, 20: 245-251.
RADAJ D. Design and analysis of fatigue resistant welded structures[M]. Duxford, United Kingdom: Woodhead Publishing, 1990: 66-97.
HOBBACHER A. Recommendations for fatigue design of welded joints and components IIW document IIW-2259-I5 ex XIII-2460-13/XV-1440-13[M]. Cham: Springer, 2016.
程祖国, 任利惠, 许小强. 城轨动车转向架构架电机吊座裂纹研究[J]. 铁道车辆, 2000, 38(增刊1): 91-92.
CHENG Zuguo, REN Lihui, XU Xiaoqiang. Study on crack of motor suspension seat of bogie frame of urban rail motor car[J]. Rolling Stock, 2000, 38(Suppl 1): 91-92.
姜峰. 基于损伤一致载荷谱的B型地铁构架疲劳可靠性提升研究[D]. 北京: 北京交通大学, 2019: 8-12.
JIANG Feng. Fatigue reliability improvement of B-type metro frame based on damage uniform load spectrum[D]. Beijing: Beijing Jiaotong University, 2019: 8-12.
0
浏览量
23
下载量
0
CSCD
2
CNKI被引量
关联资源
相关文章
相关作者
相关机构